20508717242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{122503}}^1$

素因数の和:122702

約数の個数: 32

約数和(自身を含む): 34081592832

約数和(自身を除く): 13572875590

約数列:

[1, 2, 13, 26, 47, 94, 137, 274, 611, 1222, 1781, 3562, 6439, 12878, 83707, 122503, 167414, 245006, 1592539, 3185078, 5757641, 11515282, 16782911, 33565822, 74849333, 149698666, 218177843, 436355686, 788796817, 1577593634, 10254358621, 20508717242]

約数ペア:

[(1, 20508717242), (2, 10254358621), (13, 1577593634), (26, 788796817), (47, 436355686), (94, 218177843), (137, 149698666), (274, 74849333), (611, 33565822), (1222, 16782911), (1781, 11515282), (3562, 5757641), (6439, 3185078), (12878, 1592539), (83707, 245006), (122503, 167414)]